def 				lowerCAmelCase__       (			a__ )      ->Tuple:




  '''simple docstring'''

  _UpperCamelCase           =    []
  _UpperCamelCase           =    []
  _UpperCamelCase           =    {
      "^": 3,
      "*": 2,
      "/": 2,
      "%": 2,
      "+": 1,
      "-": 1,
  }  # Priority of each operator
  _UpperCamelCase           =    len(a__ ) if (len(a__ ) > 7) else 7

  # Print table header for output
  print(
      "Symbol".center(8 )    ,     "Stack".center(a__ )    ,     "Postfix".center(a__ )    ,     sep=" | "    ,     )
  print("-" * (print_width * 3 + 7) )

  for x in infix:
    if x.isalpha() or x.isdigit():
      post_fix.append(a__ )  # if x is Alphabet / Digit, add it to Postfix
    elif x == "(":
      stack.append(a__ )  # if x is "(" push to Stack
    elif x == ")":  # if x is ")" pop stack until "(" is encountered
      while stack[-1] != "(":
        post_fix.append(stack.pop() )  # Pop stack & add the content to Postfix
      stack.pop()
    else:
      if len(a__ ) == 0:
        stack.append(a__ )  # If stack is empty, push x to stack
      else:  # while priority of x is not > priority of element in the stack
        while len(a__ ) > 0 and priority[x] <= priority[stack[-1]]:
          post_fix.append(stack.pop() )  # pop stack & add to Postfix
        stack.append(a__ )  # push x to stack

    print(
        x.center(8 )    ,     ("".join(a__ )).ljust(a__ )    ,     ("".join(a__ )).ljust(a__ )    ,     sep=" | "    ,     )  # Output in tabular format

  while len(a__ ) > 0:  # while stack is not empty
    post_fix.append(stack.pop() )  # pop stack & add to Postfix
    print(
        " ".center(8 )    ,     ("".join(a__ )).ljust(a__ )    ,     ("".join(a__ )).ljust(a__ )    ,     sep=" | "    ,     )  # Output in tabular format

  return "".join(a__ )  # return Postfix as str


def 				lowerCAmelCase__       (			a__ )      ->Dict:




  '''simple docstring'''

  _UpperCamelCase           =    list(infix[::-1] )  # reverse the infix equation

  for i in range(len(a__ ) ):
    if infix[i] == "(":
      _UpperCamelCase           =    ")"  # change "(" to ")"
    elif infix[i] == ")":
      _UpperCamelCase           =    "("  # change ")" to "("

  return (infix_2_postfix("".join(a__ ) ))[
      ::-1
  ]  # call infix_2_postfix on Infix, return reverse of Postfix


if __name__ == "__main__":
   lowerCamelCase__  =					input('''\nEnter an Infix Equation = ''')  # Input an Infix equation
   lowerCamelCase__  =					''''''.join(Infix.split())  # Remove spaces from the input
   print('''\n\t''', Infix, '''(Infix) -> ''', infix_2_prefix(Infix), '''(Prefix)''')





def 				lowerCAmelCase__       (			a__    ,     a__    ,     a__    ,     a__    ,     a__ )      ->int:




  '''simple docstring'''

  if index == number_of_items:
    return 0
  _UpperCamelCase           =    0
  _UpperCamelCase           =    0
  _UpperCamelCase           =    knapsack(a__    ,     a__    ,     a__    ,     a__    ,     index + 1 )
  if weights[index] <= max_weight:
    _UpperCamelCase           =    values[index] + knapsack(
        a__    ,     a__    ,     a__    ,     max_weight - weights[index]    ,     index + 1 )
  return max(a__    ,     a__ )


if __name__ == "__main__":
   import doctest

   doctest.testmod()




